/*
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef _THRIFT_TEST_GENERICHELPERS_H_
#define _THRIFT_TEST_GENERICHELPERS_H_ 1

#include <thrift/lib/cpp/Thrift.h>
#include <thrift/lib/cpp/protocol/TBinaryProtocol.h>
#include <thrift/lib/cpp/transport/TBufferTransports.h>

/* ClassName Helper for cleaner exceptions */
class ClassNames {
 public:
  template <typename T>
  static const char* getName() {
    return "Unknown type";
  }
};

template <>
const char* ClassNames::getName<int8_t>() {
  return "byte";
}
template <>
const char* ClassNames::getName<int16_t>() {
  return "short";
}
template <>
const char* ClassNames::getName<int32_t>() {
  return "int";
}
template <>
const char* ClassNames::getName<int64_t>() {
  return "long";
}
template <>
const char* ClassNames::getName<double>() {
  return "double";
}
template <>
const char* ClassNames::getName<std::string>() {
  return "string";
}

/* Generic Protocol I/O function for tests */
class GenericIO {
 public:
  /* Write functions */

  static uint32_t write(
      std::shared_ptr<apache::thrift::protocol::TProtocol> proto,
      const int8_t& val) {
    return proto->writeByte(val);
  }

  static uint32_t write(
      std::shared_ptr<apache::thrift::protocol::TProtocol> proto,
      const int16_t& val) {
    return proto->writeI16(val);
  }

  static uint32_t write(
      std::shared_ptr<apache::thrift::protocol::TProtocol> proto,
      const int32_t& val) {
    return proto->writeI32(val);
  }

  static uint32_t write(
      std::shared_ptr<apache::thrift::protocol::TProtocol> proto,
      const double& val) {
    return proto->writeDouble(val);
  }

  static uint32_t write(
      std::shared_ptr<apache::thrift::protocol::TProtocol> proto,
      const int64_t& val) {
    return proto->writeI64(val);
  }

  static uint32_t write(
      std::shared_ptr<apache::thrift::protocol::TProtocol> proto,
      const std::string& val) {
    return proto->writeString(val);
  }

  /* Read functions */

  static uint32_t read(
      std::shared_ptr<apache::thrift::protocol::TProtocol> proto,
      int8_t& val) {
    return proto->readByte(val);
  }

  static uint32_t read(
      std::shared_ptr<apache::thrift::protocol::TProtocol> proto,
      int16_t& val) {
    return proto->readI16(val);
  }

  static uint32_t read(
      std::shared_ptr<apache::thrift::protocol::TProtocol> proto,
      int32_t& val) {
    return proto->readI32(val);
  }

  static uint32_t read(
      std::shared_ptr<apache::thrift::protocol::TProtocol> proto,
      int64_t& val) {
    return proto->readI64(val);
  }

  static uint32_t read(
      std::shared_ptr<apache::thrift::protocol::TProtocol> proto,
      double& val) {
    return proto->readDouble(val);
  }

  static uint32_t read(
      std::shared_ptr<apache::thrift::protocol::TProtocol> proto,
      std::string& val) {
    return proto->readString(val);
  }
};

#endif
